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<b>reconsider </b><font color="Maroon" title="c1">x</font> =  <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> , <font color="Maroon" title="c2">y</font> = 1 as   <a href="pre_topc.html#NM2" title="PRE_TOPC:NM.2">Point</a> of <a href="topmetr.html#K5" title="TOPMETR:func.5">I[01]</a>  <b>by </b><i><a class="ref" href="borsuk_1.html#T86" title="BORSUK_1:th.86">BORSUK_1:86</a></i>;<br/>
<b>thus </b><a href="borsuk_6.html#K4" title="BORSUK_6:func.4">2RP</a>  <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a>  = 
<a href="borsuk_6.html#K4" title="BORSUK_6:func.4">2RP</a>  <a href="funct_2.html#K3" title="FUNCT_2:func.3">.</a> <font color="Maroon" title="c1">x</font>

<br/>.= 
 <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> 
<b>by </b><i><a class="ref" href="borsuk_6.html#D8" target="_self" title="BORSUK_6:def.8">Def8</a></i>
;<br/>

<b>thus </b><a href="borsuk_6.html#K4" title="BORSUK_6:func.4">2RP</a>  <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> 1 = 
<span class="p1">(<span class="default">2 <a href="real_1.html#K8" title="REAL_1:func.8">*</a> <font color="Maroon" title="c2">y</font></span>)</span> <a href="real_1.html#K9" title="REAL_1:func.9">-</a> 1
<b>by </b><i><a class="ref" href="borsuk_6.html#D8" target="_self" title="BORSUK_6:def.8">Def8</a></i>
<br/>.= 
1

;<br/>


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